[英]Undefined variable: image_name Laravel 5.4
我想上傳並顯示圖像,但出現錯誤未定義變量:image_name
這是我的控制器
$supply = new DataSupplyProcess;
if($request->hasFile('supply_photo')){
$photo = Validator::make($request->all(), [
'supply_photo' => 'required|image|mimes:jpeg,png,jpg,gif,svg|max:2048',
]);
if($photo->fails()){
return redirect()->back()->with('warning', 'Image size should be 2MB or less');
}
$image = $request->file('supply_photo');
$image_name = rand().'.'. $image->getClientOriginalExtension();
$destination_path = public_path('/item');
$image->move($destination_path, $image_name);
//dd($image);
}
$supply->item = $request->item;
$supply->supply_details = $request->supply_details;
$supply->tgl_request_date = $request->tgl_need_date;
$supply->tgl_need_date = $request->tgl_need_date;
$supply->employee_id = $id;
$supply->id_approved_by = $manager->employee_manager_id;
$supply->is_approved = 0;
$supply->is_final_approved = 0;
$supply->supply_photo = $image_name;
$supply->save();
這是我的看法
<label for="supply_photo">Photo</label>
<form action="" method="post" enctype="multipart/form-data">
<input type="file" class="form-control" name="supply_photo">
在您的控制器中,嘗試執行以下操作:
if(Input::file('supply_photo') !== null){
$photo = Validator::make($request->all(), [
'supply_photo' => 'required|image|mimes:jpeg,png,jpg,gif,svg|max:2048',
]);
...
}
我認為這篇文章可以提供更多信息
每當您通過IF條件傳遞這樣的變量時,請先分配默認值。 因此,如果未選擇圖片,您將不會出錯。
並在原因檢查中首先獲得圖像
dd($image = $request->file('supply_photo'));
$image_name = NULL;
if($request->hasFile('supply_photo')){
$image = $request->file('supply_photo');
$image_name = rand().'.'. $image->getClientOriginalExtension();
$destination_path = public_path('/item');
$image->move($destination_path, $image_name);
}
$supply->supply_photo = $image_name;
$supply->save();
$supply = new DataSupplyProcess;
if($request->hasFile('supply_photo')){
$photo = Validator::make($request->all(), [
'supply_photo' => 'required|image|mimes:jpeg,png,jpg,gif,svg|max:2048',
]);
if($photo->fails()){
return redirect()->back()->with('warning', 'Image size should be 2MB or less');
}
//$original_name=$request->file('supply_photo')->getClientOriginalName();
//$size=$request->file('supply_photo')->getSize();
$extension=$request->file('supply_photo')->getClientOriginalExtension();
$filename=uniqid().'.'.$extension;
$imagepath=url('/item/'.$filename);
$path=$request->file('supply_photo')->storeAs(public_path('/item'),$filename);
}
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